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  <h1 class="topictitle1">Managing the GaussDB (DWS) Cluster</h1>
  <div>
   <p>On the <span>product</span>, you can modify or delete registered GaussDB (DWS) clusters and schema sets or table sets in the clusters.</p>
   <div class="section">
    <h4 class="sectiontitle">Related Operations</h4>
    <p>Log in to the management page, choose <span class="uicontrol"><b><span id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002199964685_text4651950123919"><strong>Protection</strong></span> &gt; Big Data &gt; GaussDB(DWS)</b></span>, click the <span class="uicontrol"><b>Clusters</b></span>, <span class="uicontrol"><b>Schema Sets</b></span>, or <span class="uicontrol"><b>Table Sets</b></span> tab, and find the cluster on which you want to perform related operations.</p>
    <p><a href="#EN-US_TOPIC_0000002164597638__en-us_topic_0000001397321761_table24934294919">Table 1</a> describes the related operations.</p>
   </div>
   <div class="tablenoborder">
    <a name="EN-US_TOPIC_0000002164597638__en-us_topic_0000001397321761_table24934294919"></a><a name="en-us_topic_0000001397321761_table24934294919"></a>
    <table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002164597638__en-us_topic_0000001397321761_table24934294919" frame="border" border="1" rules="all">
     <caption>
      <b>Table 1 </b>Operations related to the GaussDB (DWS) cluster
     </caption>
     <colgroup>
      <col style="width:23%">
      <col style="width:50%">
      <col style="width:27%">
     </colgroup>
     <thead align="left">
      <tr>
       <th align="left" class="cellrowborder" valign="top" width="23%" id="mcps1.3.3.2.4.1.1"><p>Operation</p></th>
       <th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.4.1.2"><p>Description</p></th>
       <th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.3.2.4.1.3"><p>Navigation Path</p></th>
      </tr>
     </thead>
     <tbody>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Modifying cluster information</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation allows you to modify the username, environment variable file path, node, and client of a cluster.</p> <p><strong>Note</strong></p>
        <ul>
         <li>The cluster name cannot be modified.</li>
         <li>If the cluster is associated with a schema or table object, only the node and client can be modified.</li>
         <li>If the cluster is not running or is abnormal during the modification, the cluster can be modified, but the SLA policy cannot be added.</li>
        </ul></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target cluster, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Modify</strong></span></b></span>.</p> <p>For details about GaussDB (DWS) cluster parameters, see <a href="en-us_topic_0000002164597610.html">Step 1: Registering a GaussDB (DWS) Cluster</a>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Removing protection</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to remove protection for databases or table sets in a GaussDB (DWS) cluster when the protection is no longer required. After the removal, the system cannot execute protection jobs for the GaussDB (DWS) cluster. To protect the backup set again, associate an SLA with it again.</p> <p><strong>Note</strong></p> <p>When the protection job of the database is running, protection cannot be removed.</p></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target cluster, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Remove Protection</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Deleting cluster information</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to delete a GaussDB (DWS) cluster if you no longer need to protect databases or table sets in it or restore data to it.</p> <p><strong>Note</strong></p>
        <ul>
         <li>A cluster cannot be deleted if a backup or restoration job is being executed.</li>
         <li>A cluster cannot be deleted if the cluster or a database, schema set, or table set in the cluster has been associated with an SLA.</li>
         <li>Deletion of a cluster will delete all its databases, schemas, and tables.</li>
        </ul></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target cluster, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Delete</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Scanning resources</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>The product automatically scans the GaussDB (DWS) environment every 5 minutes. If the registered GaussDB (DWS) changes, the change is automatically updated to the product after scanning. You can perform this operation to immediately update the changed information to the product.</p></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target cluster, choose <strong>More</strong> &gt; <strong>Resource Scan</strong>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Testing connectivity</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>Manual connectivity test of the registered GaussDB (DWS) environment is used to check the connectivity between the product and host where the client is installed, and between the product and production environment.</p></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target cluster, choose <strong>More</strong> &gt; <strong>Test Connectivity</strong>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Modifying a schema set or table set</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to modify a schema set or table set.</p></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the schema set or table set, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Modify</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 "><p>Deleting a schema set or table set</p></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to delete a schema set or table set if you no longer need to protect it.</p> <p><strong>Note</strong></p> <p>A schema set or table set associated with an SLA cannot be deleted.</p></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the schema set or table set, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Delete</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 ">
        <div class="p">
         Adding a tag
         <div class="note" id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_note161679211561">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <p id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_p1816719214566"><span id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_ph206615454589">This function is available only in 1.6.0 and later versions.</span></p>
          </div>
         </div>
        </div></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b1495945913127">Scenario</strong></p> <p>This operation enables you to quickly filter and manage resources.</p>
        <div class="p">
         <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b1722475517469">Note</strong>
         <ul id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_ul2317155315456">
          <li id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_li1146056125117">The system administrator can add a maximum of 10,000 tags to a resource.</li>
          <li id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_li1566072118516">A non-system administrator must have the permission of <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b117498364161">Production resource management</strong> to add tags to resources.</li>
          <li id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_li731725313453">A non-system administrator can add a maximum of five tags to a resource.</li>
         </ul>
        </div></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 ">
        <div class="p">
         Choose <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b1978220109564">More</strong> &gt; <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b778271011563">Add Tag</strong>.
         <div class="note" id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_note164681316118">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <ul id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_ul22969251338">
            <li id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_li142961925139">On the displayed <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b171967427617">Add Tag</strong> dialog box, you can select existing tags or click <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b1711194810818">Create</strong> to create a tag.</li>
            <li id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_li135161927738">To modify or delete a tag, click <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b17675195912164">Go to Tag Management</strong> on the <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b13536183171711">Add Tag</strong> page to go to the <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b1386161351713">Tag Management</strong> page.</li>
           </ul>
          </div>
         </div>
        </div></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.3.2.4.1.1 ">
        <div class="p">
         Removing a tag
         <div class="note" id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_note4957114117575">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <p id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_en-us_topic_0000002200147037_p1816719214566"><span id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_en-us_topic_0000002200147037_ph206615454589">This function is available only in 1.6.0 and later versions.</span></p>
          </div>
         </div>
        </div></td>
       <td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b1495945913127_1">Scenario</strong></p> <p>This operation enables you to remove the tag of a resource when it is no longer needed.</p> <p></p></td>
       <td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.3.2.4.1.3 "><p>Choose <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b6302131412560">More</strong> &gt; <strong id="EN-US_TOPIC_0000002164597638__en-us_topic_0000002200147037_b3303714165618">Remove Tag</strong>.</p></td>
      </tr>
     </tbody>
    </table>
   </div>
  </div>
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     <strong>Parent topic:</strong> <a href="en-us_topic_0000002164757430.html">GaussDB (DWS) Cluster Environment</a>
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